Wrights Buckwheat (Eriogonum wrightii) Low, highly branched, perennial shrub that grows from a robust taproot and a reddish woody base. Leaves are about.

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Presentation transcript:

Wrights Buckwheat (Eriogonum wrightii) Low, highly branched, perennial shrub that grows from a robust taproot and a reddish woody base. Leaves are about 1 inch long and scattered on many stems. August - October

Woody base Generally grows on rocky slopes and foothills in the low mountains of West Texas Toxin is a photodynamic agent. The animal absorbs this substance directly from its digestive tract and can transfer it to calves through the milk.

Jimmy Fern Is an evergreen, erect fern with simple, fern=like leaves. Toxic agent is unknown. The poison is excreted in milk and not destroyed when the plant dries. Occurs in sheep, goats and cattle.

Desert Spike (Oligomeris linifolia) Rather succulent, erect, annual plant readhing 14-15”. Toxic agent is unknown. Only cattle are known to have been poisoned by this plant in Texas.

Coyotillo (Karwinskia humboldtiana) Spineless woody shrub or small tree of the buckthorn family. Toxic agent is unknown. Toxic to cattle, sheep, goats, hogs and fowl, cattle are the most susceptible.